'Chalazion' definitions:

Definition of 'chalazion'

From: WordNet
noun
A small sebaceous cyst of the eyelid resulting when a Meibomian gland is blocked [syn: chalazion, Meibomian cyst]

Definition of 'Chalazion'

From: GCIDE
  • Chalazion \Cha*la"zi*on\, n. [NL., fr. Gr. ? dim. of ? hail, pimple.] (Med.) A small circumscribed tumor of the eyelid caused by retention of secretion, and by inflammation of the Melbomian glands. [1913 Webster]